What are the two types of coaxial lines in use today?

1 Answer

Answer :

Air coaxial (rigid) and solid coaxial (flexible).

Related questions

Description : The large surface area of a waveguide greatly reduces what type of loss that is common in two-wire and coaxial lines?

Last Answer : Copper loss.

Description : . Why are coaxial lines more efficient at microwave frequencies than two-wire transmission lines?

Last Answer : The electromagnetic fields are completely confined

Description : List the five types of transmission lines in use today.

Last Answer : Parallel two-wire, twisted pair, shielded pair, coaxial line and waveguide.

Description : What precautions should you take when tying bundles containing coaxial cables?

Last Answer : Do not tie too tightly and use the proper type of tape.

Description : What causes the current-carrying area at the center conductor of a coaxial line to be restricted to a small layer at the surface?

Last Answer : Skin effect.

Description : Is the attenuation of a coaxial cable independent of frequency?

Last Answer : No.

Description : What factor has the greatest effect on the physical size of a coaxial cable?

Last Answer : The dielectric constant of the insulating material.

Description : List the three disadvantages of the air coaxial line

Last Answer : Expensive to construct, must be kept dry, and high frequency losses limit the practical length of the line.

Description : What is the chief advantage of the air coaxial line?

Last Answer : The ability to minimize radiation losses.

Description : Coaxial lines are used on those systems operating _______. A. Below 2 GHz B. At 300 MHz C. Above 10KHz D. Above 10GHz

Last Answer : A. Below 2 GHz

Description : Which of the following is not a transmission medium? a. telephone lines b. coaxial cables c. modem d. microwave systems

Last Answer : microwave systems

Description : A large numbers of computers in a wide geographical area can be efficiently connected using (A) twisted pair lines (B) coaxial cables (C) Communication satellites (D) all of the above

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Description : What type of communication media is the most widely usedcabling for data transfer today? A) Cat 5 B) Twisted pair C) Coaxial D) Optical fiber

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Description : What are the three types of line losses associated with transmission lines?

Last Answer : Copper, dielectric, and radiation.

Description : List the two common types of waveguides in use today.

Last Answer : Cylindrical and rectangular.

Description : The types of Unguided transmission channel or media used for LAN are __. A. Twisted Pair Cables B. Coaxial Cables C. Radio Waves D. All the above

Last Answer : C. Radio Waves

Description : What happens to the H lines between the conductors of a coil when the conductors are close together?

Last Answer : The H lines cancel.

Description : . What primary condition must magnetic lines of force meet in order to exist?

Last Answer : Magnetic lines of force must form a continuous closed loop.

Description : What do the dotted lines connecting C1, C2, C5, and C6 indicate?

Last Answer : The dotted lines indicate that these capacitors are "ganged" and are tuned together with a single control.

Description : What is the range of the characteristic impedance of lines used in actual practice?

Last Answer : Between 50 and 600 ohms.

Description : What will be the effect upon an electron traveling in the opposite direction to the lines of force in an electrostatic field?

Last Answer : The electron will be accelerated.

Description : In what way do magnetic lines of force differ from electrostatic lines of force?

Last Answer : Electrostatic lines of force do not form closed loops

Description : In what direction are electrostatic lines of force drawn?

Last Answer : Leaving positive, entering negative

Description : A field is approximately how many horizontal lines?

Last Answer : 525

Description : State four characteristics of electrostatic lines of force

Last Answer : a charged particle in straight lines and do not form closed loops. c. They have the ability to pass through any known material. d. They have the ability to distort the orbits of electrons circling the nucleus.

Description : State four characteristics of electrostatic lines of forceNEETS

Last Answer : a. They are polarized from positive to negative. b. They radiate from a charged particle in straight lines and do not form closed loops. c. They have the ability to pass through any known material. d. They have the ability to distort the orbits of electrons circling the nucleus.

Description : If a wave's electric lines of force rotate through 360 degrees with every cycle of rf energy, what is the polarization of this wave?

Last Answer : Circular polarization.

Description : To couple a coaxial line to parallel line, it is better to use a ______. A. Slotted line B. Quarter-wave transformer C. Directional Coupler D. Balun

Last Answer : D. Balun

Description : To connect coaxial line to a parallel-wire _________ is the best to use. A. directional coupler B. quarter-wave transformer C. balun D. slotted line

Last Answer : C. balun

Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove

Last Answer : a coaxial cable

Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove E. None of the above

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Description : Coaxial cable is suitable for use in ______topology: a) Tree b) Bus c) Ring d) None of These

Last Answer : b) Bus

Description : To couple a coaxial line to a parallel wire line, it is best to use a:  (1) A slotted line (2) Balun (3) Directional coupler (4) Quarter wave line transformer

Last Answer : To couple a coaxial line to a parallel wire line, it is best to use a: Balun.

Description : What is the most commonly used filter in use today?

Last Answer : LC capacitor-input filter.

Description : Which of the following is not a bounded medium? A. Coaxial line B. Two-wire line C. Waveguide D. Free space

Last Answer : D. Free space

Description : Which of the following is considered the most frequently used transmission line? A. Two-wire open line B. Twin lead C. Rigid coaxial line D. Flexible coaxial line

Last Answer : D. Flexible coaxial line

Description : A transmission line consisting of two conductors that have equal resistance per unit length. A. Unbalanced line B. Open-wire line C. Balanced line D. Coaxial line

Last Answer : C. Balanced line

Description : ________cable consists of two insulated copper wires twistedtogether. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Last Answer : Twisted-pair

Description : Twisted pair or Coaxial (kind of technical, see details)

Last Answer : answer:There are economics that get into the picture here, too. The cable company will have bandwidth caps (300gb/month) whereas the fiber provider is less likely to. At a distance of 1000 feet, coax ... which wires tend to expand. Will you see a difference in speed at that distance? Probably not.

Description : Is a broken coaxial cable something I can ask my landlord to fix (details)?

Last Answer : It is a pretty simple fix, but one that you can ask the Landlord to do.

Description : Question... does a coaxial cable deliver both TV and internet data at the same time? if i'm using the coaxial cable for watching TV would i able to connect it to a modem get internet from it... If i'm paying for internet service?

Last Answer : Buy a splitter for the coax and do both at the same time. Yes, they both come down at the same time.

Description : I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?

Last Answer : My understanding is that the surge protector helps keep your equipment safe. And the grounding helps keep you safe. The surge protector will trip a circuit so any power spikes won't damage your stuff that is ... least that is how my brother in law explained it to me. (he is a licensed electrician)

Description : Videographers- I need to purchase a dependable, portable hard disk DVR with a coaxial (RF) input. Any Suggestions?

Last Answer : I have looked everywhere & cannot find a hard drive with coaxial input. Do they exist? I think the best bet, is to find the hard drive that fits to your needs & then put it into an external ... has all the ports & features you want, so you can connect the hard drive into whatever device you want.

Description : A current `i` ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor fo the cable, then the magnetic inductio

Last Answer : A current `i` ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor fo the ... D. `(mu_(0))/(2pi)(2pii)/(r)`

Description : In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

Last Answer : In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents ... outer conductor D. in between the two conductors

Description : How fast is the transmission speed of a coaxial cable?

Last Answer : Need answer

Description : Will the Dynex Coaxial-to-RCA Connector Adapter work with my 32" RCA Flat Panel TV?

Last Answer : Yes, absolutely. Any television with RCA style inputs can be used with this adapter, including LCD's, Plasma, projections, and even CRT.

Description : Where can I buy a long coaxial cable?

Last Answer : Radio Shack offers coaxial cable in any length up to 100 feet. However, they also sell coaxial cable at places like Wal-Mart and Best Buy and they should have a length that would work for a regular sized living room.

Description : What do you call a cable consisting of twisted pairs of conductors, each separately insulated? A. Microstrip line B. Strip line C. Quad D. Coaxial cable

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Description : What medium is used by IBM token ring network that operates at either 4 Mbps or 16 Mbps? A. Twisted pair B. Coaxial cable C. Fiber-optic D. Parallel-wire line

Last Answer : A. Twisted pair